Education and demonstration – Vehicle operator instruction or testing – Automobile or truck
Patent
1982-01-07
1984-03-27
Hum, Vance Y.
Education and demonstration
Vehicle operator instruction or testing
Automobile or truck
G09B 904
Patent
active
044391587
ABSTRACT:
Driving aid apparatus for use with a motor vehicle having a manual gearshift transmission and clutch, and providing the driver with guidance for the correct upshift or downshift timing which can contribute to fuel savings and less mechanical abuse of the vehicle's drive train. The exact upshift or downshift indication is computed from engine speed, gear combination, engine loading, and other influential factors including engine temperature, vehicle speed, vehicle loading, and transmission temperature. The driver is provided with a manual adjustment, in the form of a dashboard mounted control, which enables the selection of driving conditions which best suit the driver's individual needs. Through this adjustable control, the driver can establish a shift timing sequence which leads to maximum fuel economy, or alternatively he can optimize the vehicle's performance in the sense of acceleration and speed. Custom programmed memory elements further provide a predetermined vehicle performance profile which enables the computed shift points, for the individual motor vehicle, to be best tailored to the optimum performance conditions which may be expected from the vehicle's particular combination of weight, gear ratio, and horsepower. In concert with the clear visual or audible indication afforded the driver as to when an upshift or downshift should occur, the driving aid also provides a digital display figure indication of the gearing into which the transmission ought to be shifted together with a separate real time digital indication which clearly shows the gear selection which is presently engaged. A warning indication occurs whenever the driver improperly "rides" the clutch pedal of the vehicle.
REFERENCES:
patent: 2808658 (1957-10-01), Stern et al.
patent: 3039693 (1962-06-01), Schwarm
patent: 4060915 (1977-12-01), Conway
patent: 4150497 (1979-04-01), Weber
patent: 4320381 (1982-03-01), Olivier
patent: 4355296 (1982-10-01), Drone
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